Seiko Cal. 6379 - 521

The Seiko 6379-521 represents an important milestone in Seiko's 1999 lineup. With its 21mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-dd7a7201eb13]

Also known as: Monster, Navigator

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1999

Related Models

• Seiko 6344-355
• Seiko 7146-567
• Seiko 5234-492
• Seiko 3892-107
• Seiko 3848-260
• Seiko 6688-532
• Seiko 6683-762
• Seiko 7194-174
• Seiko 4561-611
• Seiko 6189-857
• Seiko 0795-461
• Seiko 5244-683